Re: [Goanna-developers] Problems with new new xml_document validation

[Stephan C. <cla...@st...>]

Hi Neal

I think I found the bug which caused the rejection of the empty element.
I'll commit the changes right after this mail.

The |= operator will have to wait until the weekend.

greets
Stephan




Neal Lester wrote:
> Hi Stephan,
>
> I've started testing the new xml authoring generation/xml validation code.
>
> I have a rnc which has an element:
>
> level_2_button = element standard_page:level_2_button { name, value, 
> display_value, tool_tip?, text_item? }
> display_value = attribute display_value { text }
>
> name and value are attributes declared in goa_common
> tool_tip and text_item are elements declared in goa_common
>
> if I call:
>
> start_level_2_button_element ("Name", "Value", "Display Value")
> end_current_element
>
> I get an exception although this element is permitted to be empty. 
> The generated validity statement looks like:
>
> level_2_button_content_validity: GOA_XML_ELEMENT_SCHEMA is
> 		-- Schema representing valid contents of a(n) level_2_button element
> 	once
> 		create Result.make (
> 			create {GOA_XML_SCHEMA_ELEMENT_CONJUNCTION}.make_required (
> 			<<
> 			create {GOA_XML_SCHEMA_ELEMENT}.make_optional (tool_tip_element_code),
> 			create {GOA_XML_SCHEMA_ELEMENT}.make_optional (text_item_element_code)
> 			>>)
> 			)
> 		end
>
> Shouldn't the conjunction also be make_optional?
>
> Also, it appears that using the |= operator no longer works when 
> combining schemas.  I noticed the template to deal with that in (I 
> think) flatten_2 was commented out.  I just removed the only place 
> I'm using that operator (you may have noticed todays change in 
> goa_common.rnc) so fixing this is a lower priority (if it won't be 
> done for a while we should update the documentation accordingly).
>
> Neal
>
>
>
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